CN208467291U - Main shaft off-load and damping device in a kind of V belt translation - Google Patents
Main shaft off-load and damping device in a kind of V belt translation Download PDFInfo
- Publication number
- CN208467291U CN208467291U CN201820957244.2U CN201820957244U CN208467291U CN 208467291 U CN208467291 U CN 208467291U CN 201820957244 U CN201820957244 U CN 201820957244U CN 208467291 U CN208467291 U CN 208467291U
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- Prior art keywords
- main shaft
- disc spring
- bearing
- sleeve
- screw
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Abstract
The utility model discloses main shaft off-load and damping devices in a kind of V belt translation, it includes end cap (1), belt wheel (3), left bearing (4), right bearing (5), unloading sleeve (6), cabinet (8), damper (9), bearing (10), main shaft (11)；Unloading sleeve (6) is mounted between left bearing (4), right bearing (5) and main shaft (11), and unloading sleeve (6) right end is fixedly mounted on cabinet (8)；Left bearing (4) and right bearing (5) periphery are equipped with belt wheel (3), and left bearing (4) outer ring is withstood on left side end cap (1), and end cap (1) is fixedly mounted on belt wheel (3), and end cap (1) is connect by flat key (7) with main shaft (11)；Bearing (10) is mounted between damper (9) and main shaft (11).The structure design of the utility model is reasonable, easy for installation, and the radial forces of main shaft can be reduced or avoided, and improves the rotating accuracy of machine tool chief axis.
Description
Technical field
The utility model relates to a kind of transmission device, main shaft off-load and damping device in especially a kind of V belt translation.
Background technique
It is very high to the rotating accuracy requirement of machine tool chief axis in order to allow part processing to obtain better precision, but existing skill
The rotating accuracy of machine tool chief axis can not control well in art, and the precision of part processing is affected.
Therefore, it is necessary on the basis of existing, researching and designing one kind is reasonable in design, drops using relief arrangement
Radial forces that are low or even avoiding main shaft, improve off-load and the damping device of the rotating accuracy of machine tool chief axis.
Utility model content
It the purpose of the utility model is to overcome the deficiencies in the prior art, provides a kind of reasonable in design, is filled using off-load
It sets to reduce or even avoid the radial forces of main shaft, improves off-load and the damping device of the rotating accuracy of machine tool chief axis.
Technical solution, in order to achieve the above object, the technical solution that the utility model is taken are as follows:
Main shaft off-load and damping device in a kind of V belt translation, it includes end cap, screw, belt wheel, left bearing, and right bearing unloads
Lotus set, cabinet, damper, bearing, main shaft peace；
The unloading sleeve is mounted between left bearing, right bearing and main shaft, is formed interference with left bearing and right bearing and is matched
It closes, forms clearance fit with main shaft, unloading sleeve right end is fixedly mounted on cabinet by screw；
Left bearing and right bearing periphery are equipped with belt wheel, left bearing and right bearing and match with unloading sleeve and belt wheel formation interference
It closes；Left axle bearing outer-ring is withstood on the end cap of the left side, and right axle bearing outer-ring is withstood on the inner hole step of belt wheel；
End cap is fixedly mounted on belt wheel by screw, and end cap is connect by flat key with main shaft；
Bearing is mounted between damper and main shaft, and bearing and damper and main shaft, which are formed, to be interference fitted.
Preferably, main shaft off-load and damping device in above-described V belt translation, the damper include subtracting
Shake seat, disc spring guide rod, axle sleeve, disc spring, interior disc spring pressing sleeve, outer disc spring pressing sleeve and single-head screw；
The cushion socket is mounted on case by screw, and disc spring guide rod is fixedly mounted by nut and cushion socket, and is covered
It is connected in the hole of axle sleeve；
Disc spring is mounted on disc spring guide rod, and disc spring two sides are separately installed with interior disc spring pressing sleeve and outer disc spring pressing sleeve, interior disc spring
Pressing sleeve and outer disc spring pressing sleeve are installed on disc spring guide rod, wherein interior disc spring pressing sleeve is socketed in the hole of axle sleeve；
Single-head screw, which is threadably secured, to be mounted on cushion socket, and the other end is socketed in the hole of axle sleeve.
Preferably, main shaft off-load and damping device in above-described V belt translation, which is characterized in that the end cap
On hole cross sectional shape be two semicircles up and down, be connected by intermediate two straight lines, screw during installation, the screw rod of anodontia
Part is in contact with the semicircle hole face in outside, and its diameter is identical as half circular diameter.
The utility model has the advantages that the innovative point that main shaft off-load and damping device have in V belt translation described in the utility model are as follows:
The structure design of the utility model is reasonable, and belt wheel is not directly connected to main shaft, passes through left bearing and right bearing
It is connected with unloading sleeve, unloading sleeve is connected with cabinet.Belt wheel left end is connected by end cap with main shaft simultaneously.When belt wheel work, diameter
It is applied to above unloading sleeve to pulling force by left bearing and right bearing, unloading sleeve, which is connected by screw to, is discharged into cabinet for pressure
On.Belt wheel left end connect (as shown in Figure 3) with the end cap with Special Elliptic pore structure by screw, because screw is during installation
Only with the semicircle orifice face contact on the outside of elliptical aperture, the semicircle hole face apart from inside still has certain distance, so when screw is by diameter
It can't be in contact when to power with inside semicircle hole face, so end cap not will receive belt wheel and pass through the radial direction that screw is transmitted
Power, bring peripheral force when only will receive belt wheel rotation, to only serve the effect for driving main axis.End cap by flat key with
Main shaft is connected, and drives main axis.The radial force of belt wheel is taken by unloading sleeve with the end cap for having special hole in this device
It is completely released on cabinet with using.Damper is installed between cabinet and bearing, and the work of damping, buffering is played to main shaft
With improving the stability of spindle operation.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of main shaft off-load and damping device in V belt translation described in the utility model.
Fig. 2 is the structural schematic diagram of damper described in the utility model.
Fig. 3 is the cross-sectional view in the direction A-A in Fig. 1.
Specific embodiment
In the following with reference to the drawings and specific embodiments, the utility model is furtherd elucidate, it should be understood that these embodiments are only used for
Illustrate the utility model rather than limitation the scope of the utility model, after having read the utility model, art technology
Personnel fall within the application range as defined in the appended claims to the modification of the various equivalent forms of the utility model.
As shown in Figure 1 to Figure 3, main shaft off-load and damping device in a kind of V belt translation, it includes end cap 1, screw 2, belt wheel
3, left bearing 4, right axle 5, unloading sleeve 6, cabinet 8, damper 9, bearing 10, main shaft 11 and flat key 7；
The unloading sleeve 6 is mounted between left bearing 4, right bearing 5 and main shaft 11, with left bearing 4 and the formation of right bearing 5
Interference fit forms clearance fit with main shaft 11, and 6 right end of unloading sleeve is fixedly mounted on cabinet 8 by screw 2；
Left bearing 4 and 5 periphery of right bearing are equipped with belt wheel 3, and 4 outer ring of left bearing is withstood on left side end cap 1, outside right bearing 5
Circle is withstood on the inner hole step of belt wheel 3；
End cap 1 is fixedly mounted on belt wheel 3 by screw 2, and end cap 1 is connect by flat key 7 with main shaft 11；
Bearing 10 is mounted between damper 9 and main shaft 11, and bearing 10 and damper 9 and main shaft 11, which are formed, to be interference fitted.
Main shaft off-load and damping device in above-described V belt translation, the damper 9 include cushion socket 9-1, disc spring
Guide rod 9-2, axle sleeve 9-3, disc spring 9-4, interior disc spring pressing sleeve 9-5, outer disc spring pressing sleeve 9-6 and single-head screw 9-7；
The cushion socket 9-1 is mounted on cabinet 8 by screw, and disc spring guide rod 9-2 passes through nut 9-8 and cushion socket 9-
1 is fixedly mounted, and is socketed in the hole of axle sleeve 9-3；
Disc spring 9-4 is mounted on disc spring guide rod 9-2, and the two sides disc spring 9-4 are separately installed with interior disc spring pressing sleeve 9-5 and outer disc spring
Pressing sleeve 9-6, interior disc spring pressing sleeve 9-5 and outer disc spring pressing sleeve 9-6 are installed on disc spring guide rod 9-2, wherein interior disc spring pressing sleeve 9-5 set
It is connected in the hole of axle sleeve 9-3；
Single-head screw 9-7, which is threadably secured, to be mounted on cushion socket 9-1, and the other end is socketed in the hole of axle sleeve 9-3.
The cross sectional shape of main shaft off-load and damping device in above-described V belt translation, the hole on the end cap 1 is upper and lower
Be two semicircles, be connected by intermediate two straight lines, screw 2 during installation, the screw portion of anodontia and the semicircle hole face in outside
It is in contact, and its diameter is identical as half circular diameter.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and
Retouching also should be regarded as the protection scope of the utility model.
Claims (3)
1. main shaft off-load and damping device in a kind of V belt translation, which is characterized in that it includes end cap (1), screw (2), belt wheel
(3), left bearing (4), right bearing (5), unloading sleeve (6), cabinet (8), damper (9), bearing (10), main shaft (11) and flat key
(7)；
The unloading sleeve (6) is mounted between left bearing (4), right bearing (5) and main shaft (11), with left bearing (4) and right axle
It holds (5) and forms interference fit, form clearance fit with main shaft (11), unloading sleeve (6) right end is fixedly mounted on case by screw (2)
On body (8)；
The left bearing (4) and right bearing (5) periphery is equipped with belt wheel (3), and left bearing (4) outer ring withstands on left side end cap (1)
On, right bearing (5) outer ring is withstood on the inner hole step of belt wheel (3)；
End cap (1) is fixedly mounted on belt wheel (3) by screw (2), and end cap (1) is connect by flat key (7) with main shaft (11)；
Bearing (10) is mounted between damper (9) and main shaft (11), and bearing (10) and damper (9) and main shaft (11) were formed
It is full of cooperation.
2. main shaft off-load and damping device in V belt translation according to claim 1, which is characterized in that the damper
It (9) include cushion socket (9-1), disc spring guide rod (9-2), axle sleeve (9-3), disc spring (9-4), interior disc spring pressing sleeve (9-5), outer disc spring pressure
Cover (9-6) and single-head screw (9-7)；
The cushion socket (9-1) is mounted on cabinet (8) by screw, and disc spring guide rod (9-2) passes through nut (9-8) and damping
Seat (9-1) is fixedly mounted, and is socketed in the hole of axle sleeve (9-3)；
Disc spring (9-4) is mounted on disc spring guide rod (9-2), and the two sides disc spring (9-4) are separately installed with interior disc spring pressing sleeve (9-5) and outer
Disc spring pressing sleeve (9-6), interior disc spring pressing sleeve (9-5) and outer disc spring pressing sleeve (9-6) are installed on disc spring guide rod (9-2), wherein in
Disc spring pressing sleeve (9-5) is socketed in the hole of axle sleeve (9-3)；
Single-head screw (9-7), which is threadably secured, to be mounted on cushion socket (9-1), and the other end is socketed in the hole of axle sleeve (9-3).
3. main shaft off-load and damping device in V belt translation according to claim 1 or 2, which is characterized in that the end cap (1)
On hole cross sectional shape be two semicircles up and down, be connected by intermediate two straight lines, screw (2) during installation, anodontia
Screw portion is in contact with the semicircle hole face in outside, and its diameter is identical as half circular diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820957244.2U CN208467291U (en) | 2018-06-21 | 2018-06-21 | Main shaft off-load and damping device in a kind of V belt translation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820957244.2U CN208467291U (en) | 2018-06-21 | 2018-06-21 | Main shaft off-load and damping device in a kind of V belt translation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208467291U true CN208467291U (en) | 2019-02-05 |
Family
ID=65214553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820957244.2U Expired - Fee Related CN208467291U (en) | 2018-06-21 | 2018-06-21 | Main shaft off-load and damping device in a kind of V belt translation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208467291U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108620609A (en) * | 2018-06-21 | 2018-10-09 | 盐城工学院 | Main shaft off-load and damping device in a kind of V belt translation |
-
2018
- 2018-06-21 CN CN201820957244.2U patent/CN208467291U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108620609A (en) * | 2018-06-21 | 2018-10-09 | 盐城工学院 | Main shaft off-load and damping device in a kind of V belt translation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190205 Termination date: 20210621 |